Cochlear Schwannomas
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Cochlear Schwannomas
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| Id. |
16434223 |
| Idioma |
inglés
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| Titulo |
Cochlear Schwannomas |
| Autor(es) |
Barbieri, Marco
Bruzzo, Michel
Mora, Renato
Meller, Renaud
Chays, André
Magnan, Jacques
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| Localización |
http://www.pubmedcentral.gov/articlerender.fcgi?artid=1656885
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| Versión |
1.0 |
| Estado |
Final
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| Descripción |
In a series of 179 cerebellopontine angle (CPA) tumors, the authors present nine cases (5%) that were cochlear nerve neuromas. There were six men and three women (mean age, 51 years). Preoperative magnetic resonance imaging confirmed the diagnosis in one case with a labyrinthine extension and raised suspicions in the other four cases, which were confirmed during surgery. The remaining neuromas were discovered intraoperatively. The mean time between first observation and surgery was 9 months. Preoperatively, all patients underwent a complete otoneurological assessment. The middle fossa approach was used for the patient with the labyrinthine extension, and the retrosigmoid approach was used for the other eight cases. In all patients facial nerve function was preserved. Sudden or major hearing loss without associated vestibular symptoms or preoperative facial paralysis may be predictive of a cochlear component of a CPA tumor. The near-field relationships of cochlear neuromas located at the level of the acoustic and facial nerves can be appreciated because of their small size and strong contrast enhancement.
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| Palabras clave |
Original Articles
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| Tipo de recurso |
Text
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| Tipo de Interactividad |
Expositivo
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| Nivel de Interactividad |
muy bajo
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| Audiencia |
Estudiante
Profesor
Autor
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| Estructura |
Atomic |
| Coste |
no
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| Copyright |
sí
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© 2001 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. |
| Requerimientos técnicos |
Browser: Any
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| Fecha de contribución |
03-dic-2006 |
| Contacto |
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